docs: def getFeatureDynamicLayer(self, oid, dynamicLayer,
                                 returnZ=False, returnM=False):
          """ The feature resource represents a single feature in a dynamic
              layer in a map service
          """
          url = self._url + "/dynamicLayer/%s" % oid
          params = {
              "f": "json",
              "returnZ": returnZ,
              "returnM" : returnM,
              "layer": {
                  "id": 101,
                  "source" : dynamicLayer.asDictionary
              }
          }
          return Feature(
              json_string=self._get(url=url,
                                       param_dict=params,
                                       securityHandler=self._securityHandler,
                                       proxy_port=self._proxy_port,
                                       proxy_url=self._proxy_url)
          )